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1) People call the Earth "the Blue Planet" because 70% nearly three quarters, is covered with water.  2) The most of Earth's water found in the oceans. 3) The Sun isn't a planet. The Sun is just one of many stars in the Milky Way Galaxy. 4) There are 9 main planets in the Solar system.  5) The Pacific, the Atlantic, the Indian and the Arctic are the names of the oceans.  6) The oceans contain 97% of all the water on the Earth.